FEA-Analysis of Shaft and Supports Deformations for Huge Precise Lathe. Statics and Resonances-Reference-Cited by-同舟云学术

FEA-Analysis of Shaft and Supports Deformations for Huge Precise Lathe. Statics and Resonances

Published:2018-10-01 Issue:1 Volume:1 Page:341-348
ISSN:2545-2843
Container-title:New Trends in Production Engineering
language:en
Short-container-title:

Author:

Dounar Stanislau¹,Lakimovitch Alexandre¹,Ausiyevich Andrei¹,Jakubowski Andrzej²

Affiliation:

1. Belarusian National Technical University , Belarus

2. Maritime University of Szczecin , Poland

Abstract

Abstract Load bearing system simulation is provided for a huge lathe to be renovated. Static and modal analyses are done by FEM. Focus was centerline rising, needed for larger rotor shaft machining. Forces between shaft and three supports were applied. Shaft static stiffness is lowered at 1.15 times only for 600 mm centerline rising. Supports have lost its rigidity at 1.42 times. Concrete pouring into bed cavities is recommended for supports flexibility limitation such as tailstock reinforcement. Robustness of bottom resonances is revealed both for rotor shaft (14.5–18.2 Hz) and supports (42.7–55.4 Hz). Centerline rising is allowed on 300 mm at least. It gives possibility to machine extremely large (up to ø2750 mm) shafts.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/ntpe-2018-0042

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